Remote editing

Viet Pham

Linux System Administrator�High-Performance Computing Center

University of California, Riverside

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Summary

• How to login to the cluster
• Filesystem
• Basic Linux Navigation
• Editing file
• Remote editor

How to login

Mac OS X

Search for iterm or terminal then click the icon

Type “terminal”

Click Terminal icon

How to login (continued)

Windows

1. Download Mobaxterm - https://download.mobatek.net/2122021051924233/MobaXterm_Portable_v21.2.zip
2. Right click downloaded zip file and select “Extract All...”�Choose a place to extract and click “next”
3. Double click MobaXterm_Personal.exe file
4. Click “Start Local terminal”

Logging into the Cluster

• Once a terminal is open:

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Example:

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ssh -X username@cluster.hpcc.ucr.edu

Filesystem: Paths

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Filesystem: Paths

• Symlink (dotted lines) - A shortcut to another directory or file
• Mount (Local/Shared) - An entry point to a disk or storage device (ie. 'C:/' or Google Drive)

Filesystem: Paths

• Case sensitive
• All paths and commands are case sensitive, an uppercase letter is not the same as a lowercase letter.
• Path Types
• Absolute path - Full path from root to current working directory� /rhome/username/workshop_dir/
• Relative path - Partial path or non-absolute path (current directory implied)� workshop_dir/

Basic Linux Navigation

• Create an empty directory
• mkdir workshop_dir
• Create another directory inside of workshop_dir
• mkdir workshop_dir/another_directory
• Create an empty file
• touch workshop_dir/empty_file
• Listing file and folder inside of workshop_dir
• ls workshop_dir

Basic Linux Navigation

• Navigating to home directory
• cd or cd ~ or cd /rhome/username
• Navigate to a folder
• cd workshop_dir
• List file(s) and folder(s) in current directory
• ls

Editing file

• Simple editor
• nano new_file
• More advance editor
• vim new_file

Remote editor

• VScode ( https://code.visualstudio.com/download )
• Alternative
• Sublime ( https://www.sublimetext.com/3 )
• Atom ( https://atom.io/ )

Remote Editor: Install plugin

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Remote Editor: Create a quick login

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Remote Editor: Create a quick login cont.

Replace the username with your own account username

Remote Editor: Save configuration

Save it to the very first one on the list.

Remote Editor: Quick login

Remote Editor: Quick Login cont.

Remote Editor: Quick Login cont.

Remote Editor: Quick Login cont.

Login with your password

Remote Editor: Opening a folder on the cluster

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3 Make sure that it says /rhome/username

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Remote Editor: Opening a folder on the cluster

Login with your password

Remote Editor: Opening a folder on the cluster

Remote Editor: Editing creating

To create new files

To create new folders

Click on file to edit it

Right click for other options including file/folder creation

Remote Editor: Running a bash terminal

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Remote Editor: Running a bash terminal cont.

This is a terminal connected to the cluster

�You can use this to test your code/script after editing them right away